.page-home {
  display: block;
  padding-bottom: 8px;
}

/* ============ 通用排版（页面作用域） ============ */
.page-home h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.16;
  letter-spacing: -0.015em;
  color: var(--text);
  margin: 10px 0 14px;
}

.page-home .lede {
  color: var(--text-2);
  line-height: 1.8;
  font-size: 16px;
  max-width: 42em;
}

.page-home .section {
  margin-top: clamp(56px, 7vw, 96px);
}

.page-home .section-head {
  max-width: 46em;
  margin-bottom: 30px;
}

.page-home a {
  color: var(--cyan-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 200, 0.35);
  transition: border-color 150ms var(--ease), color 150ms var(--ease);
}

.page-home a:hover,
.page-home a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-home .btn {
  border-bottom-width: 1px;
  border-bottom-style: solid;
}

/* ============ 框景首屏 ============ */
.page-home .hero-frame {
  position: relative;
  margin: 18px 0 0;
  padding: clamp(18px, 3.2vw, 44px);
  border: 1px solid var(--line);
  background-color: var(--ink-2);
  background-image:
    linear-gradient(158deg, rgba(19, 31, 51, 0.94), rgba(11, 22, 38, 0.72) 62%),
    repeating-linear-gradient(0deg, var(--grid-line) 0 1px, transparent 1px 32px),
    repeating-linear-gradient(90deg, var(--grid-line) 0 1px, transparent 1px 32px);
}

.page-home .hero-frame::before,
.page-home .hero-frame::after {
  content: "";
  position: absolute;
  width: 26px;
  height: 26px;
  border: 1px solid var(--cyan);
  pointer-events: none;
}

.page-home .hero-frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-home .hero-frame::after {
  bottom: -1px;
  right: -1px;
  border-top: 0;
  border-left: 0;
}

.page-home .hero-frame__inner {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-home .hero-frame__inner {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: 44px;
    align-items: center;
  }
}

.page-home .hero-title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
  margin: 10px 0 18px;
  max-width: 15em;
}

.page-home .hero-lede {
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--text-2);
  max-width: 34em;
  margin: 0 0 20px;
}

.page-home .status-line {
  display: inline-flex;
  align-items: flex-start;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--amber);
  background: rgba(255, 168, 61, 0.09);
  border: 1px solid rgba(255, 168, 61, 0.34);
  padding: 9px 13px;
  margin: 0 0 24px;
  max-width: 34em;
}

.page-home .pulse-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  margin-top: 5px;
  border-radius: 50%;
  background: var(--amber);
  animation: home-pulse 8s ease-in-out infinite;
}

@keyframes home-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.68; }
}

.page-home .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

/* 图片框 */
.page-home .img-frame {
  position: relative;
  border: 1px solid var(--line);
  background: var(--ink-3);
  padding: 10px;
  overflow: hidden;
}

.page-home .img-frame img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid rgba(36, 52, 73, 0.9);
}

.page-home .img-frame__caption {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

.page-home .hero-visual {
  margin: 0;
}

/* ============ 三段式动作路径 ============ */
.page-home .action-path {
  margin-top: clamp(30px, 4.5vw, 52px);
  border: 1px solid var(--line);
  border-top-color: var(--line-cyan);
  background: rgba(11, 22, 38, 0.55);
  scroll-margin-top: 88px;
}

.page-home .stepper {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.page-home .step-tab {
  border-bottom: 1px solid var(--line);
}

.page-home .step-tab:last-child {
  border-bottom: 0;
}

.page-home .step-tab a {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border-bottom: 2px solid transparent;
  color: var(--text-2);
  text-decoration: none;
  transition: color 150ms var(--ease), background 150ms var(--ease), border-color 150ms var(--ease);
}

.page-home .step-tab a:hover,
.page-home .step-tab a:focus-visible {
  color: var(--text);
  background: rgba(63, 224, 200, 0.06);
  border-bottom-color: var(--cyan);
}

.page-home .step-tab__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-home .step-tab__text {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(15px, 1.6vw, 19px);
  letter-spacing: -0.01em;
}

@media (min-width: 620px) {
  .page-home .stepper {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-home .step-tab {
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-home .step-tab:last-child {
    border-right: 0;
  }

  .page-home .step-tab a {
    flex-direction: column;
    align-items: flex-start;
    gap: 6px;
    padding: 18px 20px;
    height: 100%;
  }
}

.page-home .step-panel {
  display: none;
  padding: clamp(18px, 2.6vw, 32px);
  scroll-margin-top: 88px;
}

.page-home .step-panel:first-child {
  display: block;
}

.page-home .step-panels:has(.step-panel:target) .step-panel:first-child {
  display: none;
}

.page-home .step-panel:target {
  display: block;
}

.page-home .step-panel__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--text);
  margin: 0 0 12px;
}

.page-home .step-panel p {
  color: var(--text-2);
  line-height: 1.8;
  max-width: 44em;
  margin: 0;
}

.page-home .tick-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: 46em;
}

.page-home .tick-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-home .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 12px;
  height: 1px;
  background: var(--cyan);
}

.page-home .tick-list a {
  color: var(--cyan-soft);
}

.page-home .step-visual {
  margin: 0;
  padding: 0 clamp(18px, 2.6vw, 32px) clamp(18px, 2.6vw, 32px);
}

/* ============ 常用入口磁贴 ============ */
.page-home .tiles {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 720px) {
  .page-home .tiles {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1060px) {
  .page-home .tiles {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-home .tile--a {
    grid-column: span 2;
    grid-row: span 2;
  }

  .page-home .tile--b {
    grid-column: span 2;
  }

  .page-home .tile--c,
  .page-home .tile--d {
    margin-top: 44px;
  }

  .page-home .tile--e,
  .page-home .tile--f {
    grid-column: span 2;
  }
}

.page-home .tile {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  min-height: 168px;
  padding: 20px 20px 22px;
  border: 1px solid var(--line);
  background: linear-gradient(152deg, var(--ink-2), rgba(11, 22, 38, 0.55));
  color: var(--text);
  text-decoration: none;
  transition: border-color 180ms var(--ease);
}

.page-home .tile:hover,
.page-home .tile:focus-visible {
  border-color: var(--cyan);
}

.page-home .tile--a {
  min-height: 232px;
  background: linear-gradient(152deg, rgba(63, 224, 200, 0.14), rgba(11, 22, 38, 0.75) 68%);
}

.page-home .tile__idx {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-soft);
  transition: transform 180ms var(--ease);
}

.page-home .tile:hover .tile__idx,
.page-home .tile:focus-visible .tile__idx {
  transform: translateY(-2px);
}

.page-home .tile__title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2vw, 26px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-home .tile--a .tile__title {
  font-size: clamp(24px, 3vw, 36px);
}

.page-home .tile__desc {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-2);
}

.page-home .tile__go {
  margin-top: auto;
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--cyan);
}

/* ============ 文档下载专区引导 ============ */
.page-home .doc-zone__grid {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-home .doc-zone__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 48px;
    align-items: center;
  }
}

.page-home .doc-zone__visual {
  margin: 0;
}

.page-home .doc-zone__copy p {
  color: var(--text-2);
  line-height: 1.8;
  max-width: 44em;
  margin: 0 0 8px;
}

.page-home .route-list {
  list-style: none;
  margin: 24px 0 26px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-home .route-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 8px 16px;
  align-items: start;
  padding: 15px 16px;
  border: 1px solid var(--line);
  background: rgba(19, 31, 51, 0.62);
}

.page-home .route-list__idx {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 4px;
  white-space: nowrap;
}

.page-home .route-list__body p {
  margin: 0 0 8px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-home .tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  padding: 3px 8px;
}

/* ============ 入口变更提示 ============ */
.page-home .change-list {
  list-style: none;
  margin: 26px 0 28px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-home .change-list li {
  padding: 16px 2px;
  border-bottom: 1px solid var(--line);
}

.page-home .change-list__time {
  display: inline-block;
  min-width: 88px;
  margin-right: 12px;
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--cyan-soft);
}

.page-home .change-list__text {
  display: inline;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-home .change-list .tag {
  margin-left: 10px;
  vertical-align: middle;
}

/* 折叠区 */
.page-home .fold {
  border: 1px solid var(--line);
  background: rgba(19, 31, 51, 0.5);
}

.page-home .fold__head {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 18px;
  background: none;
  border: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15.5px;
  text-align: left;
  cursor: pointer;
}

.page-home .fold__sign {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--cyan);
  transition: transform 220ms var(--ease);
}

.page-home .fold__head[aria-expanded="true"] .fold__sign {
  transform: rotate(45deg);
}

.page-home .fold__body {
  display: grid;
  grid-template-rows: 0fr;
  transition: grid-template-rows 220ms var(--ease);
}

.page-home .fold__head[aria-expanded="true"] + .fold__body {
  grid-template-rows: 1fr;
}

.page-home .fold__inner {
  overflow: hidden;
}

.page-home .fold__content {
  padding: 2px 18px 20px;
}

.page-home .fold__content p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

/* ============ 收藏引导 ============ */
.page-home .collect__grid {
  display: grid;
  gap: 28px;
}

@media (min-width: 900px) {
  .page-home .collect__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 48px;
    align-items: center;
  }
}

.page-home .collect__copy p {
  color: var(--text-2);
  line-height: 1.8;
  max-width: 42em;
  margin: 0;
}

.page-home .collect__visual {
  margin: 0;
}

.page-home .num-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-home .num-steps li {
  display: grid;
  grid-template-columns: 28px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-2);
}

.page-home .num-steps__n {
  display: grid;
  place-items: center;
  width: 26px;
  height: 26px;
  border: 1px solid var(--line-cyan);
  color: var(--cyan);
  font-size: 12px;
  line-height: 1;
}

/* ============ 底部服务与支持条 ============ */
.page-home .support-bar {
  margin-top: clamp(56px, 7vw, 96px);
  padding: clamp(20px, 3vw, 38px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  background: linear-gradient(118deg, rgba(19, 31, 51, 0.94), rgba(11, 22, 38, 0.6));
}

.page-home .support-bar__inner {
  display: grid;
  gap: 22px;
}

@media (min-width: 860px) {
  .page-home .support-bar__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
  }
}

.page-home .support-bar__copy p {
  color: var(--text-2);
  line-height: 1.8;
  max-width: 46em;
  margin: 0;
}

.page-home .support-bar__contact {
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
}

.page-home .support-bar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}
<<<END>>>